1. Get-Item, Get-ItemProperty, New-ItemProperty, Rename-ItemProperty, and Remove-ItemProperty
2. Get-Content , Set-Content , Get-Item, Get-ChildItem , New-Item, Remove-Item, and Out-File
3. PSProvider / PSDrives
4. Comma-separated file
5. Set the exporting delimiter to ;
6. Extensible Markup Language – storing configuration and data
7. Export-Clixml
8. ConvertTo-Json and ConvertFrom-Json
9. Press Ctrl + Shift + P and search for configure 
10. Data structure for storing properties and methods
11. A class is a receipt and an instance is an object of this class that can be used (cake).
12. Method with the same name but different arguments